lib/internal.h

   1 /*
   2  *      $Id: internal.h,v 1.2 1999/07/07 11:23:10 mj Exp $
   3  *
   4  *      The PCI Library -- Internal Include File
   5  *
   6  *      Copyright (c) 1997--1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
   7  *
   8  *      Can be freely distributed and used under the terms of the GNU GPL.
   9  */
  10
  11 #include "pci.h"
  12
  13 #ifdef HAVE_PM_LINUX_BYTEORDER_H
  14
  15 #include <asm/byteorder.h>
  16 #define cpu_to_le16 __cpu_to_le16
  17 #define cpu_to_le32 __cpu_to_le32
  18 #define le16_to_cpu __le16_to_cpu
  19 #define le32_to_cpu __le32_to_cpu
  20
  21 #else
  22
  23 #include <endian.h>
  24 #if __BYTE_ORDER == __BIG_ENDIAN
  25 #define cpu_to_le16 swab16
  26 #define cpu_to_le32 swab32
  27 #define le16_to_cpu swab16
  28 #define le32_to_cpu swab32
  29
  30 static inline word swab16(word w)
  31 {
  32   return (w << 8) | ((w >> 8) & 0xff);
  33 }
  34
  35 static inline u32 swab32(u32 w)
  36 {
  37   return ((w & 0xff000000) >> 24) |
  38          ((w & 0x00ff0000) >> 8) |
  39          ((w & 0x0000ff00) << 8)  |
  40          ((w & 0x000000ff) << 24);
  41 }
  42 #else
  43 #define cpu_to_le16(x) (x)
  44 #define cpu_to_le32(x) (x)
  45 #define le16_to_cpu(x) (x)
  46 #define le32_to_cpu(x) (x)
  47 #endif
  48
  49 #endif
  50
  51 struct pci_methods {
  52   char *name;
  53   void (*config)(struct pci_access *);
  54   int (*detect)(struct pci_access *);
  55   void (*init)(struct pci_access *);
  56   void (*cleanup)(struct pci_access *);
  57   void (*scan)(struct pci_access *);
  58   int (*fill_info)(struct pci_dev *, int flags);
  59   int (*read)(struct pci_dev *, int pos, byte *buf, int len);
  60   int (*write)(struct pci_dev *, int pos, byte *buf, int len);
  61   void (*init_dev)(struct pci_dev *);
  62   void (*cleanup_dev)(struct pci_dev *);
  63 };
  64
  65 void pci_generic_scan(struct pci_access *);
  66 int pci_generic_fill_info(struct pci_dev *, int flags);
  67 int pci_generic_block_read(struct pci_dev *, int pos, byte *buf, int len);
  68 int pci_generic_block_write(struct pci_dev *, int pos, byte *buf, int len);
  69
  70 void *pci_malloc(struct pci_access *, int);
  71 void pci_mfree(void *);
  72
  73 struct pci_dev *pci_alloc_dev(struct pci_access *);
  74 int pci_link_dev(struct pci_access *, struct pci_dev *);
  75
  76 extern struct pci_methods pm_intel_conf1, pm_intel_conf2, pm_linux_proc,
  77   pm_syscalls, pm_dump;
  78
  79 #define UNUSED __attribute__((unused))